package com.yfeng.common.utils;

/**
 * Created by IntelliJ IDEA.
 * User: raoqn
 * Date: 2009-2-19 15:34:26
 */
public class Util {

    public static boolean isNull(Object obj)
    {
        if(obj==null)
            return true;
        else
            return false;
    }
    
    
    public static String getEmptyStr(Object str)
    {
    	if(str==null)
    		return "";
    	else
    		return str.toString();
    }
    
   
}
